申请人:Dr. Karl Thomae GmbH
公开号:US05922717A1
公开(公告)日:1999-07-13
The present invention relates to piperazine derivatives of the general formula ##STR1## in which R.sub.a, Y.sub.1 to Y.sub.3 and E are defined herein, tautomers thereof, stereoisomers thereof, including their mixtures, and salts thereof, and in particular physiologically tolerated salts thereof with inorganic or organic acids or bases. These compounds have valuable pharmacological properties, such as aggregation-inhibiting activity. This invention also relates to medicaments comprising these compounds and to processes for the preparation of these compounds.
本发明涉及一般式##STR1##的哌嗪衍生物,其中R.sub.a,Y.sub.1至Y.sub.3和E在此定义,其互变异构体,立体异构体,包括它们的混合物,以及其盐,特别是与无机或有机酸或碱的生理耐受盐。这些化合物具有有价值的药理特性,如抑制聚集活性。本发明还涉及包含这些化合物的药物和制备这些化合物的方法。